Income Taxes (Reconciliation of the Statutory Federal Income Tax Rate to the Effective Tax Rate Amount and Percent) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Taxes
Income tax at U.S. statutory federal income tax rate	$ 889
State and local income taxes net of federal income tax effects	58
Other foreign jurisdictions	(21)
Foreign-derived intangible income ("FDII")	(49)
Subpart F income, net of foreign tax credits	(46)
Other	21
R&D tax credits	(52)
Foreign tax credits	(141)
Nontaxable or nondeductible items	(40)
Changes in unrecognized tax benefits (worldwide)	14
Income tax provision	$ 633	$ 747	$ 823
Percent of Pretax Earnings
Income tax at U.S. statutory federal income tax rate	21.00%	21.00%	21.00%
State and local income taxes net of federal income tax effects	(1.40%)	(0.80%)	(1.20%)
Other foreign jurisdictions	0.50%	2.90%	3.40%
Foreign-derived intangible income ("FDII")	(1.20%)
Subpart F income, net of foreign tax credits	(1.10%)
Other	0.50%
R&D tax credits	(1.20%)	(1.50%)	(1.60%)
Foreign tax credits	(3.30%)
Nontaxable or nondeductible items	(0.90%)
Resolution and expiration of statutes of limitation of uncertain tax positions	0.30%	(0.60%)	(0.40%)
Other adjustments		0.30%	(0.80%)
Effective income tax rate	15.00%	16.10%	16.30%